/**
 * Copyright (c) 2008, Andrew Carter
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer. Redistributions in binary form must reproduce 
 * the above copyright notice, this list of conditions and the following disclaimer in 
 * the documentation and/or other materials provided with the distribution. Neither the 
 * name of Andrew Carter nor the names of contributors may be used to endorse or promote 
 * products derived from this software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.acarter.jmejtree;

import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.dnd.Autoscroll;
import java.util.logging.Logger;

import javax.swing.JTree;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreeSelectionModel;

import com.acarter.jmejtree.util.E_RenderState;
import com.jme.scene.Controller;
import com.jme.scene.Spatial;
import com.jme.scene.state.RenderState;

/**
 * @author Andrew Carter
 * @author Noel Lynch 21-08-08 : changed this for java 5 compatibility
 */
public class JMEJTree extends JTree implements Autoscroll {
	
	/**  */
    public static final String LOGGER_NAME = "com.acarter.jmejtree";
    
    /**  */
    private static final Logger LOGGER = Logger.getLogger( JMEJTree.LOGGER_NAME );
    
	/**	 */
	private static final long serialVersionUID = 1L;

	/**  */
	private int margin = 12;

	/**
	 * @param newModel
	 */
	public JMEJTree(TreeModel newModel) {
		super(newModel);

		setEditable(false);
		setRootVisible(true);
		setShowsRootHandles(true);
		getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

		// Look for the jME Physics library
		try {
			Class.forName("com.jmex.physics.PhysicsSpace");

			setCellRenderer(new JMEJTreePhysicsCellRenderer());
			LOGGER.info("jME Physics 2 found, using a JMEJTree Physics Cell Renderer.");

		} catch (ClassNotFoundException e) {
			
			setCellRenderer(new JMEJTreeCellRenderer());
			LOGGER.info("jME Physics 2 not found, using a JMEJTree Cell Renderer.");
		}
	}

	/**
	 * Called by the renderers to convert the specified value to text. This
	 * implementation returns <code>value.toString</code>, ignoring all other
	 * arguments. To control the conversion, subclass this method and use any of
	 * the arguments you need.
	 * 
	 * @param value
	 *            the <code>Object</code> to convert to text
	 * @param selected
	 *            true if the node is selected
	 * @param expanded
	 *            true if the node is expanded
	 * @param leaf
	 *            true if the node is a leaf node
	 * @param row
	 *            an integer specifying the node's display row, where 0 is the
	 *            first row in the display
	 * @param hasFocus
	 *            true if the node has the focus
	 * @return the <code>String</code> representation of the node's value
	 * 
	 * @author Noel Lynch 21-08-08 : changed this for java 5 compatibility
	 */
	@Override
	public String convertValueToText(Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {

		if (value != null) {

			if (value instanceof Spatial)
				return ((Spatial) value).getName();
			
			else if (value instanceof Controller) {
				String sValue = value.getClass().getSimpleName();
				
				if(sValue.equals(""))
					sValue = value.getClass().getName();
				
				return sValue;
			}
			
			else if (value instanceof RenderState)
				return E_RenderState.getConstant(((RenderState) value).getType()).toString();
			
			else {
				String sValue = value.toString();

				if (sValue != null) {
					return sValue;
				}
			}
		}

		return "";
	}

	/**
	 * 
	 */
	public void autoscroll(Point p) {

		int realrow = getRowForLocation(p.x, p.y);
		Rectangle outer = getBounds();

		realrow = (p.y + outer.y <= margin ? realrow < 1 ? 0 : realrow - 1 : realrow < getRowCount() - 1 ? realrow + 1 : realrow);

		scrollRowToVisible(realrow);
	}

	/**
	 * 
	 */
	public Insets getAutoscrollInsets() {
		Rectangle outer = getBounds();
		Rectangle inner = getParent().getBounds();

		return new Insets(inner.y - outer.y + margin, inner.x - outer.x + margin, outer.height - inner.height - inner.y + outer.y + margin,
				outer.width - inner.width - inner.x + outer.x + margin);
	}

}
